20043508030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{310223}}^1$

素因数の和:310321

約数の個数: 64

約数和(自身を含む): 45029634048

約数和(自身を除く): 24986126018

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 710, 910, 923, 994, 1846, 2485, 4615, 4970, 6461, 9230, 12922, 32305, 64610, 310223, 620446, 1551115, 2171561, 3102230, 4032899, 4343122, 8065798, 10857805, 20164495, 21715610, 22025833, 28230293, 40328990, 44051666, 56460586, 110129165, 141151465, 154180831, 220258330, 282302930, 286335829, 308361662, 572671658, 770904155, 1431679145, 1541808310, 2004350803, 2863358290, 4008701606, 10021754015, 20043508030]

約数ペア:

[(1, 20043508030), (2, 10021754015), (5, 4008701606), (7, 2863358290), (10, 2004350803), (13, 1541808310), (14, 1431679145), (26, 770904155), (35, 572671658), (65, 308361662), (70, 286335829), (71, 282302930), (91, 220258330), (130, 154180831), (142, 141151465), (182, 110129165), (355, 56460586), (455, 44051666), (497, 40328990), (710, 28230293), (910, 22025833), (923, 21715610), (994, 20164495), (1846, 10857805), (2485, 8065798), (4615, 4343122), (4970, 4032899), (6461, 3102230), (9230, 2171561), (12922, 1551115), (32305, 620446), (64610, 310223)]